To start from where we left off in the previous post, here we will deal with the following: C - Contingencies - which would involve provisional costs to be incorporated for any expected/unexpected deviations. Contingencies are costs which we assume for certain changes that are anticipated, this is sometimes considered as a percentage of works or sometimes just as lump sum amounts. Most of the time, these amounts are utilized only under specific approval. But depending on the stage* at which the budget/cost plan is being presented, percentages can be allotted for the heads of design, planning and construction. * Stages of budgeting will be a separate post, since I don't prefer clouding more information under each post. D - Escalation - which involves provision for market fluctuations in material, labour and fuel costs. ...